1048980945 has 32 divisors (see below), whose sum is σ = 1734819840. Its totient is φ = 540688320.

The previous prime is 1048980923. The next prime is 1048980973. The reversal of 1048980945 is 5490898401.

It is not a de Polignac number, because 1048980945 - 2⁵ = 1048980913 is a prime.

It is a super-2 number, since 2×1048980945² = 2200722045946186050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1048980894 and 1048980903.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672076 + ... + 673634.

It is an arithmetic number, because the mean of its divisors is an integer number (54213120).

Almost surely, 2^1048980945 is an apocalyptic number.

1048980945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1048980945 is a deficient number, since it is larger than the sum of its proper divisors (685838895).

1048980945 is a wasteful number, since it uses less digits than its factorization.

1048980945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1048980945 is about 32387.9753149220. The cubic root of 1048980945 is about 1016.0674364816.

The spelling of 1048980945 in words is "one billion, forty-eight million, nine hundred eighty thousand, nine hundred forty-five".